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Reworking to keep intel compiler happy

This commit is contained in:
Peter Boyle
2015-05-19 21:29:07 +01:00
parent ee8cf77071
commit efc0d1e0b9
8 changed files with 62 additions and 24 deletions

View File

@ -210,25 +210,33 @@ namespace Grid {
friend inline RealD Reduce(const vRealD & in)
{
vRealD v1,v2;
union {
dvec v;
double f[sizeof(dvec)/sizeof(double)];
} conv;
#ifdef SSE4
vRealD v1;
permute(v1,in,0); // sse 128; paired real double
v1=v1+in;
return RealD(v1.v[0]);
#endif
#if defined(AVX1) || defined (AVX2)
vRealD v1,v2;
permute(v1,in,0); // avx 256; quad double
v1=v1+in;
permute(v2,v1,1);
v1=v1+v2;
return v1.v[0];
#endif
#ifdef AVX512
return _mm512_reduce_add_pd(in.v);
permute(v1,in,0); // avx 512; octo-double
v1=v1+in;
permute(v2,v1,1);
v1=v1+v2;
permute(v2,v1,2);
v1=v1+v2;
#endif
#ifdef QPX
#endif
conv.v=v1.v;
return conv.f[0];
}
// *=,+=,-= operators